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Gorgeous golden body with shimmering lame scales. Named after the Hyaku Shiki from Gundam. Shines gold in top view.
Hyakushiki medaka is a luxurious improved variety combining golden body color with full-body lame sparkle. Its name is said to derive from the gold-colored mobile suit 'Hyaku Shiki' from the anime Mobile Suit Zeta Gundam, reflecting its overwhelmingly brilliant golden appearance. Shallow top-viewing bowls allow sunlight to reflect off the golden body and lame for a dazzling display. Dark containers emphasize the gold contrast. Selective breeding maintains and improves lame density and golden coloration. Popular among both anime fans and medaka enthusiasts.
The Hyakushiki Medaka lives 2-3 years.
The Hyakushiki Medaka grows to 3-4cm.
The ideal water temperature for the Hyakushiki Medaka is 18〜24℃.
Hardy in 5–30°C, neutral to slightly alkaline water.
Origin
Japan (selectively bred variety)
Lifespan
2-3 years
Size
3-4cm
Temperature
5〜30℃
Sources: FishBase: Oryzias latipes / Seriously Fish: Oryzias latipes
Selectively bred killifish are trait combinations of body form × body color × pattern × luminescence (internal/external) × scale types (transparent scales) × sparkle × fin morphology and so forth. Published entries include only confirmed traits constituting the given variety, with genetic inheritance patterns provided only for confirmed traits (uncertain cases omitted). Genetic patterns are provided as reference for breeding.
Sources: JMA Japan Medaka Association — Improved Medaka Variety Classification Manual (JA) / Improved Medaka Web Encyclopedia (medakazukan, JA)
A curated selection of notable morphs. Inheritance modes are a breeding-planning guide; actual appearance varies with combos.
Edited & verified by: BreederDirect editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Accepted name: (Temminck & Schlegel, 1846)
Synonyms: Aplocheilus latipes (Temminck & Schlegel, 1846), Poecilia latipes Temminck & Schlegel, 1846, Oryzias latipes latipes (Temminck & Schlegel, 1846)
Authority databases: FishBase · GBIF · Japan Medaka Association — Variety Classification Manual (JA)
Nomenclature follows global taxonomic authority databases.
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Medaka pellets
In a shallow top-viewing bowl the gold body and lame reflect sunlight brilliantly. A dark container sharpens the gold contrast.
Adapts to 5-30°C and neutral to slightly alkaline water and is easy to keep. Avoid sudden water changes.
Easy to breed with many eggs. Lame density and gold coloration are maintained and improved by pairing fish with abundant lame.
The gold deepens with growth, so do not judge young fish too early. For hikari-type fish, check the dorsal fin shape when selecting.
Gentle and fine with other peaceful varieties. Avoid housing it with aggressive fish.
Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
The ideal temperature for Hyakushiki Medaka is 18〜24℃. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Hyakushiki Medaka is 2-3 years. With proper care and nutrition, they can live a long and healthy life.
Hyakushiki Medaka typically reaches 3-4cm as an adult. Size may vary depending on care conditions and individual genetics.
Hyakushiki Medaka feeds on: Medaka pellets. Aim for a balanced diet with appropriate feeding frequency.
The price of Hyakushiki Medaka varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: August 31, 2026